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Pocket sized telephone line data communication systems

  • US 4,620,064 A
  • Filed: 09/10/1984
  • Issued: 10/28/1986
  • Est. Priority Date: 09/10/1984
  • Status: Expired due to Fees
First Claim
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1. A device for acoustic coupling to a telephone handset having first and second acoustic devices comprisinga body means having first and second ends and having a first acoustic coupler adjacent said first end thereof, said body means being a means for resting against a part of a handset whereby said first acoustic coupler may acoustically couple with a first acoustic device in a telephone handseta slide means having a second acoustic coupler adjacent to an outer end thereof, said slide means being slideable with respect to said second end of said body means between a first retracted position whereby said slide means is substantially circumscribed by said body means and a second extended position whereby said second acoustic coupler is substantially spaced from said body means, whereby said slide means may be retracted when not in use, and the position of said slide means may be adjusted when in use so that said first and second couplers may simultaneously acoustically couple with said first and second acoustic devices in a telephone handset, andmeans for coupling said device to a telephone handset.

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